KohR[1]16:3(12) :ולא הוה יכיל מה עבד צם תלת יומין עד דכחיש ותשש‏ : he was not able (to get through a hole because he was too fat): what did he do? He fasted for three days until he became skinnier and emaciated
See the entire entry for kḥš vb. to wither

KohR[1]16:3(12) :צם תלת יומין עד דכחיש‏ : (the wolf) fasted for three days until he became thin
See the entire entry for ṣwm vb. to fast

KohR[1]16:3(12) :צם תלת יומין עד דכחיש ותשש‏ : he fasted for three days until he became skinnier and emaciated
See the entire entry for tšš vb. to become feeble